Divorce causing problems with hotmail account

I hope someone can help me with this.

I have two hotmail accounts. One my personal one and the other is one that is connected with a club that I help run.

My main hotmail account uses my wife's hotmail account as emergency should I need any verification/resets etc but because we are getting divorced this cannot continue.

I tried to swap my club e-mail address for my wife's one as the back-up account. I can still access hotmail on my iPhone but on the PC my hotmail account knows I have tried to change settings and won't let me access my mail unless I enter a verification code which they would send to my wife's hotmail account.

Because of the divorce she is not willing to help me, so I need another way.

Is there any way around this, what can I do?

Thanks,

Pete.